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node-red/test/red/runtime/nodes/registry/index_spec.js

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/**
* Copyright 2014 IBM Corp.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
**/
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var should = require("should");
var sinon = require("sinon");
var path = require("path");
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var when = require("when");
var fs = require("fs");
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var registry = require("../../../../../red/runtime/nodes/registry");
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var installer = require("../../../../../red/runtime/nodes/registry/installer");
var loader = require("../../../../../red/runtime/nodes/registry/loader");
var typeRegistry = require("../../../../../red/runtime/nodes/registry/registry");
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describe('red/nodes/registry/index', function() {
var stubs = [];
afterEach(function() {
while(stubs.length) {
stubs.pop().restore();
}
})
describe('#init',function() {
it('intialises components', function() {
stubs.push(sinon.stub(installer,"init"));
stubs.push(sinon.stub(loader,"init"));
stubs.push(sinon.stub(typeRegistry,"init"));
registry.init({});
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installer.init.called.should.be.true();
loader.init.called.should.be.true();
typeRegistry.init.called.should.be.true();
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})
});
describe('#addModule', function() {
it('loads the module and returns its info', function(done) {
stubs.push(sinon.stub(loader,"addModule",function(module) {
return when.resolve();
}));
stubs.push(sinon.stub(typeRegistry,"getModuleInfo", function(module) {
return "info";
}));
registry.addModule("foo").then(function(info) {
info.should.eql("info");
done();
}).otherwise(function(err) { done(err); });
});
it('rejects if loader rejects', function(done) {
stubs.push(sinon.stub(loader,"addModule",function(module) {
return when.reject("error");
}));
stubs.push(sinon.stub(typeRegistry,"getModuleInfo", function(module) {
return "info";
}));
registry.addModule("foo").then(function(info) {
done(new Error("unexpected resolve"));
}).otherwise(function(err) {
err.should.eql("error");
done();
})
});
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});
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describe('#enableNode',function() {
it('enables a node set',function(done) {
stubs.push(sinon.stub(typeRegistry,"enableNodeSet",function() {
return when.resolve();
}));
stubs.push(sinon.stub(typeRegistry,"getNodeInfo", function() {
return {id:"node-set",loaded:true};
}));
registry.enableNode("node-set").then(function(ns) {
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typeRegistry.enableNodeSet.called.should.be.true();
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ns.should.have.a.property('id','node-set');
done();
}).otherwise(function(err) { done(err); });
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});
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it('rejects if node unknown',function() {
stubs.push(sinon.stub(typeRegistry,"enableNodeSet",function() {
throw new Error('failure');
}));
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/*jshint immed: false */
(function(){
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registry.enableNode("node-set")
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}).should.throw();
});
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it('triggers a node load',function(done) {
stubs.push(sinon.stub(typeRegistry,"enableNodeSet",function() {
return when.resolve();
}));
var calls = 0;
stubs.push(sinon.stub(typeRegistry,"getNodeInfo", function() {
// loaded=false on first call, true on subsequent
return {id:"node-set",loaded:(calls++>0)};
}));
stubs.push(sinon.stub(loader,"loadNodeSet",function(){return when.resolve();}));
stubs.push(sinon.stub(typeRegistry,"getFullNodeInfo"));
registry.enableNode("node-set").then(function(ns) {
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typeRegistry.enableNodeSet.called.should.be.true();
loader.loadNodeSet.called.should.be.true();
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ns.should.have.a.property('id','node-set');
ns.should.have.a.property('loaded',true);
done();
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}).otherwise(function(err) { done(err); });
});
});
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});